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It is required to air condition a factory building (27m x 18m x 4m). The 27m wall is type B and faces south. The following date is available: Two glass windows in south wall 3m x 1.5m each with internal shade, Lighting load is 20 Watt fluorescent per m2 floor area ; The inside air conditions are, DBT=24 oC and RH=50%. The outside air conditions are, DBT= 40 oC, WBT=30 oC. Other related data are: daily Range (DR)=18.0 oC, Uwall =1.4 W/m2 k, Uglass=3.5 W/m2 k, Scglass =0.7, occupancy = 8 persons doing light bench work and, CLFoccupancy= 0.75. The building is of heavy construction with light color located at 32 N. Calculate the building cooling load from the south wall, windows, lighting and occupancy on August at 4.0 p.m.

It is required to air condition a factory building (27m x 18m x 4m). The 27m wall is type B and faces south. The following date is available: Two glass windows in south wall 3m x 1.5m each with internal shade, Lighting load is 20 Watt fluorescent per m2 floor area ; The inside air conditions are, DBT=24 oC and RH=50%. The outside air conditions are, DBT= 40 oC, WBT=30 oC. Other related data are: daily Range (DR)=18.0 oC, Uwall =1.4 W/m2 k, Uglass=3.5 W/m2 k, Scglass =0.7, occupancy = 8 persons doing light bench work and, CLFoccupancy= 0.75. The building is of heavy construction with light color located at 32 N. Calculate the building cooling load from the south wall, windows, lighting and occupancy on August at 4.0 p.m.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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It is required to air condition a factory building (27m x 18m x 4m). The 27m wall is type B and faces
south. The following date is available: Two glass windows in south wall 3m x 1.5m each with internal
shade, Lighting load is 20 Watt fluorescent per m2 floor area ; The inside air conditions are, DBT=24 oC
and RH=50%. The outside air conditions are, DBT= 40 oC, WBT=30 oC. Other related data are: daily
Range (DR)=18.0 oC, Uwall =1.4 W/m2

k, Uglass=3.5 W/m2

k, Scglass =0.7, occupancy = 8 persons doing light
bench work and, CLFoccupancy= 0.75. The building is of heavy construction with light color located at 32 N.
Calculate the building cooling load from the south wall, windows, lighting and occupancy on August at
4.0 p.m.

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